================
@@ -548,11 +543,28 @@ SystemZTargetLowering::SystemZTargetLowering(const
TargetMachine &TM,
}
// Handle floating-point types.
+ if (!useSoftFloat()) {
+ // Promote all f16 operations to float, with some exceptions below.
+ for (unsigned Opc = 0; Opc < ISD::BUILTIN_OP_END; ++Opc)
+ setOperationAction(Opc, MVT::f16, Promote);
----------------
JonPsson1 wrote:
What happens is that calls to compiler-rt are emitted for conversions and as we
keep all f16 in fp-registers always, this seems to work fine.
I thought SoftPromoteHalf is for targets that use i16 for f16?
https://github.com/llvm/llvm-project/pull/109164
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